Solar Total Irradiance: A Reference Value for Solar Minimum

被引：0
|
作者：
Ann T. Mecherikunnel
机构：
[1] NASA/Goddard Space Flight Center,Laboratory for Terrestrial Physics
来源：
Solar Physics | 1998年 / 177卷
关键词：
Solar Activity; Solar Cycle; Electromagnetic Radiation; Solar Minimum; Solar Total Irradiance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Simultaneous solar total irradiance observations performed by absolute radiometers on board satellites during the quiet-Sun period between solar cycles 21 and 22 (1985–1987), are analyzed to determine the solar total irradiance at 1 AU for the solar minimum. During the quiet-Sun period the total solar irradiance, UV irradiance, and the various solar activity indices show very little fluctuation. However, the absolute value of the solar total irradiance derived from the observations differ within the accuracy of the radiometers used in the measurements. Therefore, the question often arises about a reference value of the solar total irradiance for use in climate models and for computation of geophysical, and atmospheric parameters. This research is conducted as a part of the Solar Electromagnetic Radiation Study for Solar Cycle 22 (SOLERS22). On the basis of the study we recommended a reference value of 1367.0 ± 0.04 W m-2 for the solar total irradiance at 1 AU for a truly quiet Sun. We also find that the total solar irradiance data for the quiet-Sun period reveals strong short-term irradiance variations.
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页码：11 / 23
页数：12
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